Flush-tank.



H. S. GRAYBILL.

FLUSH TANK.

APPLICATION FILED Amm?, 1911. 1 1 1 2,789, Patented 0G13. 6, 1914.

3mm/nio:

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@nomment HE NORRIS PETERS CO.. PHOTO-LITHO.. WASHINGTON. D C

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ing; inerely set above the bottoin of the reservoir and inolosing onlythe short leg 6 otl the d ii-xharg'ing siphon, -while the sealing; ropis correspondingly deepened and the head oi Water maintained above theair box reduced; and the tilting` of the Cup serving,` in .like mannerto release the confined air.

lt will. he understood that other inodilications may be readily madeWithout departing 'trein the essential 'features of the invention asdelined in the Ciailn.

l. have found in practice that an air outlet hele 1G in the arin o, aidsthe escape of ex cess air under the cup and in the box during the firstfilling stage, but this is not essential.

,lt will be readily seen that my improvenient provides not only for aninexpensive construction and simple operation, but that the entireelimination of valve elements ranged to loosely cover said chamber, and

operatingl means comprising` a locking` device for retaining orreleasing` said float cup, substantially as set forth.

In testimony whereof, I aiix my signature, in the presence of twoWitnesses.

HENRY S. GRAYBLL.

Vitnesses WV. G. STEWART, D. M. STEWART.

Copies of this patent may be obtained for ve cents each, by addressingthe Commissioner of ratents, Washington, D. U.

